Features&colon;1&rpar; Waterproof&comma; can smooth the surface of concrete&comma; and extend the working life of the concrete2&rpar; Wear-resistant&comma; anti-cracking&comma; anti-acid and alkaline-resistant3&rpar; No color contamination between the concrete and the shuttering board4&rpar; Low aldehyde&comma; phenol&comma; and other toxic emissions5&rpar; Can be cut into small size for re-using